Mercurial > hg > octave-terminal
changeset 10639:a52cc4f6ebfc
update NEWS
author | Jaroslav Hajek <highegg@gmail.com> |
---|---|
date | Tue, 18 May 2010 08:19:41 +0200 |
parents | e1559a8a60b4 |
children | 5c594472f75e |
files | ChangeLog NEWS |
diffstat | 2 files changed, 29 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2010-05-18 Jaroslav Hajek <highegg@gmail.com> + + * NEWS: Update. + 2010-05-11 Rik <octave@nomad.inbox5.com> * configure.ac: Capitalize ARPACK in messages.
--- a/NEWS +++ b/NEWS @@ -259,6 +259,31 @@ efficient. This applies to both the [] operator and the cat/vertcat/horzcat functions. + ** It is now possible to optionally employ the xGESDD LAPACK drivers for + computing the singular value decomposition using svd(), instead of + the default xGESVD, using the configuration pseudo-variable + svd_driver. The xGESDD driver can be up to 6x times faster when + singular vectors are requested, but is reported to be somewhat less + robust on highly ill-conditioned matrices. + + ** Configuration pseudo-variables, such as page_screen_output or + confirm_recursive_rmdir (or the above mentioned svd_driver), now + accept a "local" option as second argument, requesting the change + to be undone when current function returns: + + function [status, msg] = rm_rf (dir) + confirm_recursive_rmdir (false, "local"); + [status, msg] = rmdir (dir, "s"); + ... + endfunction + + Upon return, confirm_recursive_rmdir will be restored to the value + it had on entry to the function, even if there were subsequent + changes to the variable in function rm_rf or any of the functions + it calls. + + + Summary of important user-visible changes for version 3.2: ---------------------------------------------------------